Fix issues found by luacheck

.luacheckrc

@@ -14,7 +14,8 @@ ignore = {"631"}
 globals = {
 	"crafting", "vector", "table", "minetest", "worldedit", "ctf", "ctf_flag",
 	"ctf_colors", "hudkit", "default", "treasurer", "ChatCmdBuilder", "ctf_map",
-	"ctf_match", "ctf_stats", "ctf_treasure", "ctf_playertag", "chatplus"
+	"ctf_match", "ctf_stats", "ctf_treasure", "ctf_playertag", "chatplus", "irc",
+	"armor",
 }
 
 read_globals = {
@@ -23,7 +24,6 @@ read_globals = {
 
 	"dump", "DIR_DELIM",
 	"sfinv", "creative",
-	"irc",
 	"VoxelArea", "ItemStack",
 	"Settings",
 	"prometheus", "hb",

mods/ctf/ctf/teams.lua

@@ -63,11 +63,8 @@ function ctf.list_teams(name)
 	minetest.chat_send_player(name, "Teams:")
 	for tname, team in pairs(ctf.teams) do
 		if team and team.players then
-			local details = ""
-
 			local numPlayers = ctf.count_players_in_team(tname)
-			details = numPlayers .. " members"
+			local details = numPlayers .. " members"
-
 			if team.flags then
 				local numFlags = 0
 				for flagid, flag in pairs(team.flags) do
@@ -233,7 +230,7 @@ function ctf.can_mod(player,team)
 
 	if privs then
 		if privs.ctf_admin == true then
-		 	return true
+			return true
 		end
 	end
 
@@ -277,10 +274,10 @@ function ctf.autoalloc(name, alloc_mode)
 	local max_players = ctf.setting("maximum_in_team")
 
 	local mtot = false -- more than one team
-	for key, team in pairs(ctf.teams) do
+	if next(ctf.teams) then
 		mtot = true
-		break
 	end
+
 	if not mtot then
 		ctf.error("autoalloc", "No teams to allocate " .. name .. " to!")
 		return

mods/ctf/ctf_chat/init.lua

@@ -327,7 +327,7 @@ minetest.register_chatcommand("t", {
 				chatplus.log("<" .. name .. "> ** ".. param .. " **")
 			end
 
-			tcolor = ctf_colors.get_color(ctf.player(name))
+			local tcolor = ctf_colors.get_color(ctf.player(name))
 			for username, to in pairs(team.players) do
 				minetest.chat_send_player(username,
 						minetest.colorize(tcolor.css, "<" .. name .. "> ** " .. param .. " **"))
@@ -344,7 +344,6 @@ minetest.register_chatcommand("t", {
 
 if minetest.global_exists("irc") then
 	function irc.playerMessage(name, message)
-		local tname = ctf.player(name).team
 		local color = ctf_colors.get_irc_color(ctf.player(name))
 		local clear = "\x0F"
 		if color then

mods/ctf/ctf_colors/hud.lua

@@ -38,7 +38,7 @@ end
 function ctf_colors.set_skin(player, color)
 	if minetest.global_exists("armor") then
 		-- TODO: how should support for skin mods be done?
-		armor.textures[name].skin = "ctf_colors_skin_" .. color .. ".png"
+		armor.textures[player:get_player_name()].skin = "ctf_colors_skin_" .. color .. ".png"
 		armor:update_player_visuals(player)
 	else
 		player:set_properties({

mods/ctf/ctf_flag/api.lua

@@ -81,8 +81,8 @@ function ctf_flag.player_drop_flag(name)
 			ctf.action("flag", name .. " dropped " .. flag_name)
 			minetest.chat_send_all(flag_name.." has returned.")
 
-			for i = 1, #ctf_flag.registered_on_drop do
+			for j = 1, #ctf_flag.registered_on_drop do
-				ctf_flag.registered_on_drop[i](name, flag)
+				ctf_flag.registered_on_drop[j](name, flag)
 			end
 		end
 	end
@@ -124,7 +124,7 @@ function ctf_flag.update(pos)
 		minetest.set_node(top,{name="air"})
 		return
 	end
-	local topmeta = minetest.get_meta(top)
+
 	local flag_name = flag_team_data.name
 	if flag_name and flag_name ~= "" then
 		flagmeta:set_string("infotext", flag_name.." - "..flag_team_data.team)
@@ -142,7 +142,7 @@ function ctf_flag.update(pos)
 		minetest.set_node(top,{name="ctf_flag:flag_top_"..ctf.team(flag_team_data.team).data.color})
 	end
 
-	topmeta = minetest.get_meta(top)
+	local topmeta = minetest.get_meta(top)
 	if flag_name and flag_name ~= "" then
 		topmeta:set_string("infotext", flag_name.." - "..flag_team_data.team)
 	else

mods/ctf/ctf_flag/flag_func.lua

@@ -71,8 +71,8 @@ local function do_capture(attname, flag, returned)
 			ctf_flag.delete(team, vector.new(flag))
 			ctf_flag.add(attacker.team, vector.new(flag))
 		else
-			minetest.set_node(pos,{name="air"})
+			minetest.set_node(flag,{name="air"})
-			ctf_flag.delete(team,pos)
+			ctf_flag.delete(team,flag)
 		end
 
 		for i = 1, #ctf_flag.registered_on_capture do